Research has shown that a person's position in the economic pecking order can have a lasting effect on cognitive development. But can it also affect the size and shape of the brain?
The frozen fringes of western Antarctica have been melting 70% faster in the last decade, raising concern that an important buttress keeping land-based ice sheets from flowing to the sea could collapse or vanish in coming decades, a new study shows.
A common pollutant in vehicle exhaust, power plant emissions and cigarette smoke can shrink white matter in fetal brains and cause developmental damage during the toddler years, a new study suggests.
The Internet and modern genetics have been a pair of high-wattage searchlights slicing through one of the darkest periods of modern human history: more than three centuries of conquest, slave trade and population displacement in the Americas.
A 22-foot beaked whale that apparently took a wrong turn up an African river about 17 million years ago may offer clues to the climate-change forces that shaped human evolution.
Man's tenure on Earth is brief on the astronomical time scale, but the changes wrought by Homo sapiens have been measurable and profound.
Surgeons at South Africa's Stellenbosch University and Tygerberg Hospital announced Friday that they had performed the first successful penile transplant after a nine-hour operation in December.
An American healthcare worker who tested positive for the Ebola virus in Africa is expected to be admitted to a National Institutes of Health clinic in Bethesda, Md., for treatment, federal officials said Thursday.